While a huge amount of money ___been spent stopping pollution , large quantities of water_ _still heavily polluted．A.have; isB.has ;areC.have; areD.has ;has
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B解析考察主谓一致，a huge amount of money是不可数名词，故后面用单数第三人称形式。large quantities of water大量的水，这里的谓语动词要和前面的quantity一致,quantity是单数 后面谓语动词就用单数 quantity是复数(也就是quantities) 后面谓语动词就用复数。故选B。